From 414e66910dc5d9fea254811618f69067ab4a7a67 Mon Sep 17 00:00:00 2001
From: Marvin Hagemeister <marvinhagemeister50@gmail.com>
Date: Mon, 3 Apr 2023 00:14:29 +0200
Subject: [PATCH] fix(es/parser): Fix infinite loop on jsx in js (#7191)

---
 crates/swc_ecma_parser/src/parser/stmt.rs     |  4 +++
 .../tests/errors/jsx_in_js/input.js           |  5 +++
 .../errors/jsx_in_js/input.js.swc-stderr      | 32 +++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js
 create mode 100644 crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js.swc-stderr

diff --git a/crates/swc_ecma_parser/src/parser/stmt.rs b/crates/swc_ecma_parser/src/parser/stmt.rs
index d6a9b82692bb..cc8160ad3dfd 100644
--- a/crates/swc_ecma_parser/src/parser/stmt.rs
+++ b/crates/swc_ecma_parser/src/parser/stmt.rs
@@ -845,6 +845,10 @@ impl<'a, I: Tokens> Parser<I> {
 
             while !eat!(self, ';') {
                 bump!(self);
+
+                if let Some(Token::Error(_)) = self.input.cur() {
+                    break;
+                }
             }
         }
 
diff --git a/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js b/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js
new file mode 100644
index 000000000000..00d7e01ada4e
--- /dev/null
+++ b/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js
@@ -0,0 +1,5 @@
+const a = (
+  <section>
+    <a href="/foo">foo</a>
+  </section>
+);
diff --git a/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js.swc-stderr b/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js.swc-stderr
new file mode 100644
index 000000000000..d7d08fa07e8a
--- /dev/null
+++ b/crates/swc_ecma_parser/tests/errors/jsx_in_js/input.js.swc-stderr
@@ -0,0 +1,32 @@
+
+  x Unterminated regexp literal
+   ,-[$DIR/tests/errors/jsx_in_js/input.js:2:1]
+ 2 |   <section>
+ 3 |     <a href="/foo">foo</a>
+   :                        ^^^
+ 4 |   </section>
+   `----
+
+  x Expression expected
+   ,-[$DIR/tests/errors/jsx_in_js/input.js:1:1]
+ 1 | const a = (
+ 2 |   <section>
+   :   ^
+ 3 |     <a href="/foo">foo</a>
+   `----
+
+  x Expression expected
+   ,-[$DIR/tests/errors/jsx_in_js/input.js:2:1]
+ 2 |   <section>
+ 3 |     <a href="/foo">foo</a>
+   :     ^
+ 4 |   </section>
+   `----
+
+  x Expected a semicolon
+   ,-[$DIR/tests/errors/jsx_in_js/input.js:2:1]
+ 2 |   <section>
+ 3 |     <a href="/foo">foo</a>
+   :        ^^^^
+ 4 |   </section>
+   `----